<title>[Sdoi2009]Bill的挑战</title><link href="http://hzoi.com/tomorrow.css" rel="stylesheet"><div class="ui existing segment"><pre><code><span class="pl-cp">#include</span><span class="pl-cpf">&lt;iostream&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;cstdio&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;algorithm&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;cstring&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;cmath&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;queue&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;set&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;map&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;vector&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#include</span><span class="pl-cpf">&lt;ctime&gt;</span><span class="pl-cp"></span>
<span class="pl-cp">#define ll long long</span>
<span class="pl-cp">#define mod 1000003</span>

<span class="pl-k">using</span> <span class="pl-k">namespace</span> <span class="pl-n">std</span><span class="pl-p">;</span>
<span class="pl-kr">inline</span> <span class="pl-kt">int</span> <span class="pl-nf">Get</span><span class="pl-p">()</span> <span class="pl-p">{</span><span class="pl-kt">int</span> <span class="pl-n">x</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">,</span><span class="pl-n">f</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-kt">char</span> <span class="pl-n">ch</span><span class="pl-o">=</span><span class="pl-n">getchar</span><span class="pl-p">();</span><span class="pl-k">while</span><span class="pl-p">(</span><span class="pl-n">ch</span><span class="pl-o">&lt;</span><span class="pl-sc">&#39;0&#39;</span><span class="pl-o">||</span><span class="pl-n">ch</span><span class="pl-o">&gt;</span><span class="pl-sc">&#39;9&#39;</span><span class="pl-p">)</span> <span class="pl-p">{</span><span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">ch</span><span class="pl-o">==</span><span class="pl-sc">&#39;-&#39;</span><span class="pl-p">)</span> <span class="pl-n">f</span><span class="pl-o">=-</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">ch</span><span class="pl-o">=</span><span class="pl-n">getchar</span><span class="pl-p">();}</span><span class="pl-k">while</span><span class="pl-p">(</span><span class="pl-sc">&#39;0&#39;</span><span class="pl-o">&lt;=</span><span class="pl-n">ch</span><span class="pl-o">&amp;&amp;</span><span class="pl-n">ch</span><span class="pl-o">&lt;=</span><span class="pl-sc">&#39;9&#39;</span><span class="pl-p">)</span> <span class="pl-p">{</span><span class="pl-n">x</span><span class="pl-o">=</span><span class="pl-p">(</span><span class="pl-n">x</span><span class="pl-o">&lt;&lt;</span><span class="pl-mi">1</span><span class="pl-p">)</span><span class="pl-o">+</span><span class="pl-p">(</span><span class="pl-n">x</span><span class="pl-o">&lt;&lt;</span><span class="pl-mi">3</span><span class="pl-p">)</span><span class="pl-o">+</span><span class="pl-n">ch</span><span class="pl-o">-</span><span class="pl-sc">&#39;0&#39;</span><span class="pl-p">;</span><span class="pl-n">ch</span><span class="pl-o">=</span><span class="pl-n">getchar</span><span class="pl-p">();}</span><span class="pl-k">return</span> <span class="pl-n">x</span><span class="pl-o">*</span><span class="pl-n">f</span><span class="pl-p">;}</span>

<span class="pl-kt">int</span> <span class="pl-n">T</span><span class="pl-p">;</span>
<span class="pl-kt">int</span> <span class="pl-n">n</span><span class="pl-p">,</span><span class="pl-n">m</span><span class="pl-p">,</span><span class="pl-n">len</span><span class="pl-p">;</span>
<span class="pl-kt">char</span> <span class="pl-n">s</span><span class="pl-p">[</span><span class="pl-mi">16</span><span class="pl-p">][</span><span class="pl-mi">55</span><span class="pl-p">];</span>
<span class="pl-n">ll</span> <span class="pl-n">ans</span><span class="pl-p">,</span><span class="pl-n">f</span><span class="pl-p">[</span><span class="pl-mi">20</span><span class="pl-p">],</span><span class="pl-n">c</span><span class="pl-p">[</span><span class="pl-mi">20</span><span class="pl-p">][</span><span class="pl-mi">20</span><span class="pl-p">];</span>
<span class="pl-n">ll</span> <span class="pl-nf">ksm</span><span class="pl-p">(</span><span class="pl-n">ll</span> <span class="pl-n">t</span><span class="pl-p">,</span><span class="pl-n">ll</span> <span class="pl-n">x</span><span class="pl-p">)</span> <span class="pl-p">{</span>
    <span class="pl-n">ll</span> <span class="pl-n">ans</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span>
    <span class="pl-k">for</span><span class="pl-p">(;</span><span class="pl-n">x</span><span class="pl-p">;</span><span class="pl-n">x</span><span class="pl-o">&gt;&gt;=</span><span class="pl-mi">1</span><span class="pl-p">,</span><span class="pl-n">t</span><span class="pl-o">=</span><span class="pl-n">t</span><span class="pl-o">*</span><span class="pl-n">t</span><span class="pl-o">%</span><span class="pl-n">mod</span><span class="pl-p">)</span>
        <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">x</span><span class="pl-o">&amp;</span><span class="pl-mi">1</span><span class="pl-p">)</span> <span class="pl-n">ans</span><span class="pl-o">=</span><span class="pl-n">ans</span><span class="pl-o">*</span><span class="pl-n">t</span><span class="pl-o">%</span><span class="pl-n">mod</span><span class="pl-p">;</span>
    <span class="pl-k">return</span> <span class="pl-n">ans</span><span class="pl-p">;</span>
<span class="pl-p">}</span>
<span class="pl-kt">void</span> <span class="pl-nf">dfs</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">v</span><span class="pl-p">,</span><span class="pl-kt">int</span> <span class="pl-n">tot</span><span class="pl-p">,</span><span class="pl-kt">char</span> <span class="pl-n">t</span><span class="pl-p">[])</span> <span class="pl-p">{</span>
    <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">v</span><span class="pl-o">&gt;</span><span class="pl-n">n</span><span class="pl-p">)</span> <span class="pl-p">{</span>
        <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">tot</span><span class="pl-o">&lt;</span><span class="pl-n">m</span><span class="pl-p">)</span> <span class="pl-k">return</span> <span class="pl-p">;</span>
        <span class="pl-kt">int</span> <span class="pl-n">cnt</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;=</span><span class="pl-n">len</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span> <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">t</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">==</span><span class="pl-sc">&#39;?&#39;</span><span class="pl-p">)</span> <span class="pl-n">cnt</span><span class="pl-o">++</span><span class="pl-p">;</span>
        <span class="pl-n">ans</span><span class="pl-o">=</span><span class="pl-p">(</span><span class="pl-n">ans</span><span class="pl-o">+</span><span class="pl-n">f</span><span class="pl-p">[</span><span class="pl-n">tot</span><span class="pl-p">]</span><span class="pl-o">*</span><span class="pl-n">ksm</span><span class="pl-p">(</span><span class="pl-mi">26</span><span class="pl-p">,</span><span class="pl-n">cnt</span><span class="pl-p">)</span><span class="pl-o">%</span><span class="pl-n">mod</span><span class="pl-p">)</span><span class="pl-o">%</span><span class="pl-n">mod</span><span class="pl-p">;</span>
        <span class="pl-k">return</span> <span class="pl-p">;</span>
    <span class="pl-p">}</span>
    <span class="pl-n">dfs</span><span class="pl-p">(</span><span class="pl-n">v</span><span class="pl-o">+</span><span class="pl-mi">1</span><span class="pl-p">,</span><span class="pl-n">tot</span><span class="pl-p">,</span><span class="pl-n">t</span><span class="pl-p">);</span>
    <span class="pl-kt">char</span> <span class="pl-n">tem</span><span class="pl-p">[</span><span class="pl-mi">55</span><span class="pl-p">];</span>
    <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;=</span><span class="pl-n">len</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span> <span class="pl-p">{</span>
        <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">t</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">==</span><span class="pl-sc">&#39;?&#39;</span><span class="pl-p">)</span> <span class="pl-p">{</span>
            <span class="pl-n">tem</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-n">s</span><span class="pl-p">[</span><span class="pl-n">v</span><span class="pl-p">][</span><span class="pl-n">i</span><span class="pl-p">];</span>
        <span class="pl-p">}</span> <span class="pl-k">else</span> <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">s</span><span class="pl-p">[</span><span class="pl-n">v</span><span class="pl-p">][</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">==</span><span class="pl-sc">&#39;?&#39;</span><span class="pl-p">)</span> <span class="pl-n">tem</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-n">t</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">];</span>
        <span class="pl-k">else</span> <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">s</span><span class="pl-p">[</span><span class="pl-n">v</span><span class="pl-p">][</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">!=</span><span class="pl-n">t</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">])</span> <span class="pl-k">return</span> <span class="pl-p">;</span>
    <span class="pl-p">}</span>
    <span class="pl-n">dfs</span><span class="pl-p">(</span><span class="pl-n">v</span><span class="pl-o">+</span><span class="pl-mi">1</span><span class="pl-p">,</span><span class="pl-n">tot</span><span class="pl-o">+</span><span class="pl-mi">1</span><span class="pl-p">,</span><span class="pl-n">tem</span><span class="pl-p">);</span>
<span class="pl-p">}</span>
<span class="pl-kt">int</span> <span class="pl-nf">main</span><span class="pl-p">()</span> <span class="pl-p">{</span>
    <span class="pl-n">c</span><span class="pl-p">[</span><span class="pl-mi">0</span><span class="pl-p">][</span><span class="pl-mi">0</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span>
    <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;=</span><span class="pl-mi">15</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">j</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span><span class="pl-n">j</span><span class="pl-o">&lt;=</span><span class="pl-n">i</span><span class="pl-p">;</span><span class="pl-n">j</span><span class="pl-o">++</span><span class="pl-p">)</span>
            <span class="pl-n">c</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">][</span><span class="pl-n">j</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-p">(</span><span class="pl-o">!</span><span class="pl-n">j</span><span class="pl-o">||</span><span class="pl-n">j</span><span class="pl-o">==</span><span class="pl-n">i</span><span class="pl-p">)</span><span class="pl-o">?</span><span class="pl-mi">1</span><span class="pl-o">:</span><span class="pl-p">(</span><span class="pl-n">c</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-o">-</span><span class="pl-mi">1</span><span class="pl-p">][</span><span class="pl-n">j</span><span class="pl-o">-</span><span class="pl-mi">1</span><span class="pl-p">]</span><span class="pl-o">+</span><span class="pl-n">c</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-o">-</span><span class="pl-mi">1</span><span class="pl-p">][</span><span class="pl-n">j</span><span class="pl-p">])</span><span class="pl-o">%</span><span class="pl-n">mod</span><span class="pl-p">;</span>
    <span class="pl-n">T</span><span class="pl-o">=</span><span class="pl-n">Get</span><span class="pl-p">();</span>
    <span class="pl-k">while</span><span class="pl-p">(</span><span class="pl-n">T</span><span class="pl-o">--</span><span class="pl-p">)</span> <span class="pl-p">{</span>
        <span class="pl-n">n</span><span class="pl-o">=</span><span class="pl-n">Get</span><span class="pl-p">(),</span><span class="pl-n">m</span><span class="pl-o">=</span><span class="pl-n">Get</span><span class="pl-p">();</span>
        <span class="pl-k">if</span><span class="pl-p">(</span><span class="pl-n">n</span><span class="pl-o">&lt;</span><span class="pl-n">m</span><span class="pl-p">)</span> <span class="pl-p">{</span><span class="pl-n">cout</span><span class="pl-o">&lt;&lt;</span><span class="pl-mi">0</span><span class="pl-o">&lt;&lt;</span><span class="pl-s">&quot;</span><span class="pl-se">\n</span><span class="pl-s">&quot;</span><span class="pl-p">;</span><span class="pl-k">continue</span> <span class="pl-p">;}</span>
        <span class="pl-n">memset</span><span class="pl-p">(</span><span class="pl-n">f</span><span class="pl-p">,</span><span class="pl-mi">0</span><span class="pl-p">,</span><span class="pl-k">sizeof</span><span class="pl-p">(</span><span class="pl-n">f</span><span class="pl-p">));</span>
        <span class="pl-n">f</span><span class="pl-p">[</span><span class="pl-n">m</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-n">m</span><span class="pl-o">+</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;=</span><span class="pl-n">n</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span> <span class="pl-p">{</span>
            <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">j</span><span class="pl-o">=</span><span class="pl-n">m</span><span class="pl-p">;</span><span class="pl-n">j</span><span class="pl-o">&lt;</span><span class="pl-n">i</span><span class="pl-p">;</span><span class="pl-n">j</span><span class="pl-o">++</span><span class="pl-p">)</span> <span class="pl-p">{</span>
                <span class="pl-n">f</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-p">(</span><span class="pl-n">f</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">-</span><span class="pl-n">f</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-p">]</span><span class="pl-o">*</span><span class="pl-n">c</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">][</span><span class="pl-n">j</span><span class="pl-p">]</span><span class="pl-o">%</span><span class="pl-n">mod</span><span class="pl-o">+</span><span class="pl-n">mod</span><span class="pl-p">)</span><span class="pl-o">%</span><span class="pl-n">mod</span><span class="pl-p">;</span>
            <span class="pl-p">}</span>
        <span class="pl-p">}</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;=</span><span class="pl-n">n</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span> <span class="pl-n">scanf</span><span class="pl-p">(</span><span class="pl-s">&quot;%s&quot;</span><span class="pl-p">,</span><span class="pl-n">s</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">+</span><span class="pl-mi">1</span><span class="pl-p">);</span>
        <span class="pl-n">len</span><span class="pl-o">=</span><span class="pl-n">strlen</span><span class="pl-p">(</span><span class="pl-n">s</span><span class="pl-p">[</span><span class="pl-mi">1</span><span class="pl-p">]</span><span class="pl-o">+</span><span class="pl-mi">1</span><span class="pl-p">);</span>
        <span class="pl-kt">char</span> <span class="pl-n">tem</span><span class="pl-p">[</span><span class="pl-mi">55</span><span class="pl-p">];</span>
        <span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">1</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;=</span><span class="pl-n">len</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span> <span class="pl-n">tem</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-sc">&#39;?&#39;</span><span class="pl-p">;</span>
        <span class="pl-n">ans</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span>
        <span class="pl-n">dfs</span><span class="pl-p">(</span><span class="pl-mi">1</span><span class="pl-p">,</span><span class="pl-mi">0</span><span class="pl-p">,</span><span class="pl-n">tem</span><span class="pl-p">);</span>
        <span class="pl-n">cout</span><span class="pl-o">&lt;&lt;</span><span class="pl-n">ans</span><span class="pl-o">&lt;&lt;</span><span class="pl-s">&quot;</span><span class="pl-se">\n</span><span class="pl-s">&quot;</span><span class="pl-p">;</span>
    <span class="pl-p">}</span>
    <span class="pl-k">return</span> <span class="pl-mi">0</span><span class="pl-p">;</span>
<span class="pl-p">}</span>
</cpde></pre></div>